Simple Definition of octane
: a chemical in petroleum that is used to rate the quality of different kinds of gasoline
Full Definition of octane
1 : any of several isomeric liquid alkanes C8H18
2 : octane number
Examples of octane in a sentence
an octane rating of 90
Origin of octane
International Scientific Vocabulary
First Known Use: circa 1872
Rhymes with octane
abstain, again, air lane, airplane, amain, arcane, arraign, attain, Bahrain, Bassein, Beltane, biplane, birdbrain, block plane, bloodstain, boat train, brain drain, bugbane, campaign, champagne, champaign, Champlain, checkrein, chicane, chilblain, choke chain, chow mein, cinquain, cocaine, Cockaigne, Coltrane, coxswain, complain, constrain, contain, cordwain, cowbane, crackbrain, demesne, deplane, destain, detain, detrain, devein, disdain, distain, distrain, dogbane, domain, drivetrain, dumb cane, edge-grain, Elaine, enchain, enplane, entrain, ethane, explain, eyestrain, fast lane, fleabane, floatplane, floodplain, food chain, forebrain, Fort Wayne, Gawain, germane, Great Dane, grosgrain, half plane, henbane, hindbrain, house-train, humane, Hussein, Igraine, immane, inane, ingrain, insane, jack plane, lamebrain, left brain, lightplane, lo mein, long-chain, Lorraine, maintain, marchpane, membrane, methane, midbrain, migraine, Montaigne, montane, moraine, mortmain, Moulmein, mundane, neck-rein, New Spain, obtain, ordain, pertain, plain-Jane, profane, propane, ptomaine, purslane, quatrain, raise Cain, refrain, remain, restrain, retain, retrain, right brain, romaine, sailplane, sea-lane, seaplane, seatrain, split-brain, sustain, tailplane, tearstain, terrane, Touraine, towplane, triplane, Ukraine, unchain, urbane, vervain, vicereine, villein, volplane, warplane, wave train, wolfsbane
Learn More about octane
Britannica.com: Encyclopedia article about "octane"
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